It\u2019s easy to lose sight of the big picture when you operate with a large amount of text, so simple formatting techniques can make your data a lot easier to read and digest. The underlined text format is a great way to emphasize or highlight certain data to the user, making information stand out in Excel. You can underline the entire cell or a part of the text within a cell. This step-by-step guide will show you some simple methods to underline in Excel. [toc] How to Underline the Entire Cell Contents If you want to underline the text in a cell, you can do that using the steps outlined below: 1. Click on the cell containing the text that you want to underline (A1). 2. Go to the Home tab in the Ribbon. 3. In the Font group, click the \u201cUnderline\u201d button to underline the text you previously selected. If you want to undo the changes, either click the same button once again or use the keyboard shortcut Ctrl + Z. The keyboard shortcut to underline in Excel is Ctrl + U (hold down the Ctrl key and press the U key), or Command + U if you\u2019re using a Mac. How to Underline an Individual Cell If you want to underline a cell, here\u2019s how you do it. 1. Highlight the cell that you want to underline (A1). If you select a cell range, only the ones at the bottom will be underlined. 2. Open the \u201cBorders\u201d drop-down menu. 3. Choose \u201cBottom Border.\u201d Congrats! You\u2019ve just added a bottom border to the cell, which looks as if you have underlined it. How to Double Underline in Excel Double underlining is another simple way to emphasize certain data points so that nothing important slips through the cracks. To pull it off, select the cell that you want to modify (A1), click the \u201cBorders\u201d drop-down, and pick \u201cBottom Double Border\u201d from the menu that pops up. Alternatively, you can double underline text by selecting the text you want to format, clicking the \u201cUnderline\u201d drop-down menu, and choosing \u201cDouble Underline.\u201d So these are some ways you can use to underline text in a cell or the cell itself.